Chen Chien-Chou made the Chinese Taipei junior national team when he was 18 and played in the 1995 ABC Under-18 Championship, where they finished 5th.

In 2020, along with Taipei Fubon Braves, Formosa Dreamers, Hsinchu Lioneers, and Taoyuan Airape, he founded a Taiwanese professional basketball league, P. League+, and was the CEO.

He is slated to play Peng Dehuai in the highly anticipated miniseries Untold Stories of 1949, to be produced for HBO Asia.

[citation needed] In 2023, Taiwanese actress Tina Chou (大牙/周宜霈), stage name "Big Tooth," called out Chen for sexually harassing her eleven years ago in Hong Kong.

[4] In support of Big Tooth, Taiwanese artist Yuan Kuo (郭源元) voiced out that she had also faced previous sexual assault attempts by Chen.